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  #1  
Old 01-30-2023, 07:47 PM
CubbyRI CubbyRI is offline
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Default Need hotter spark plug for K241

Hi all, my 100 with K 241 engine burns oil pretty bad. for now to keep the plug from fouling, what's a hotter plug for this?
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Model 100 Dec 2020 - Running condition, has snow plow!
Model 123 Nov 2020 Hydro needs much work, or resto, building front end loader for this one
Model 100 Feb 2019 apart for total frame-off / sandblast etc resto

Model 70 Sep 2020 needs total resto and an engine, or for parts
Model 70/100 Mar 2021 buried in rust, frozen engine, got free for parts.

two spare hydro rears
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  #2  
Old 01-30-2023, 08:35 PM
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darkminion_17 darkminion_17 is online now
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A quick Google search will give you a answer.
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  #3  
Old 01-30-2023, 08:39 PM
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Cub Cadet 123 Cub Cadet 123 is offline
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Have you tried synthetic oil? I had a 107 smoker and that does not indicate that it was a diesel. I changed the oil out to synthetic and cut down the smoke substantially. That probably does not address your problem here, but it might make the ride a bit more tolerable.

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Old 01-30-2023, 09:05 PM
CubbyRI CubbyRI is offline
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Quote:
Originally Posted by darkminion_17 View Post
A quick Google search will give you a answer.

yeah well I was hoping to benefit from more experienced cub / kohler owners here.

that must be my mistake. I have been doing thorough google searches, not quick one.

Doing some not quick searching, I had found that K241 engines call for the Champion H10C

I found an NGK equivalent of that plug (I dont like Champion) is NGK B6L using this site:
https://www.sparkplug-crossreference.com/


Then I found this site which explains the plug numbers vs heat range. NGK is opposite from most, the lower the number the hotter the plug.


https://www.sparkplugs.com/how-do-i-...%20the%20plug.


So I think I may try a NGK B4L
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Model 100 Dec 2020 - Running condition, has snow plow!
Model 123 Nov 2020 Hydro needs much work, or resto, building front end loader for this one
Model 100 Feb 2019 apart for total frame-off / sandblast etc resto

Model 70 Sep 2020 needs total resto and an engine, or for parts
Model 70/100 Mar 2021 buried in rust, frozen engine, got free for parts.

two spare hydro rears
"in for a penny, in for a pound!"
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  #5  
Old 01-31-2023, 07:47 AM
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ironman ironman is offline
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The hotter Champion plug would be an H12.
The NGK B4L is a replacement for that.

http://media.builderwire.net/getdocu...Data_Sheet.pdf
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  #6  
Old 02-23-2023, 10:41 AM
Joiseyboy Joiseyboy is offline
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A experienced small engine builder friend of mine suggested using about 50% 90 weight gear oil instead of your normal engine oil. Also, it might be something as simple ( or difficult ) as replacing the oil ring on the piston. This is the ring with holes in it that drags oil up and down the cylinder wall. This ring will wear out before the cylinder wears out so unless the machine ran low on oil or had a lot of dirt in the oil , it might just require new rings.
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Old 02-23-2023, 11:09 AM
CubbyRI CubbyRI is offline
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Quote:
Originally Posted by Joiseyboy View Post
A experienced small engine builder friend of mine suggested using about 50% 90 weight gear oil instead of your normal engine oil. Also, it might be something as simple ( or difficult ) as replacing the oil ring on the piston. This is the ring with holes in it that drags oil up and down the cylinder wall. This ring will wear out before the cylinder wears out so unless the machine ran low on oil or had a lot of dirt in the oil , it might just require new rings.
cool thanks! that might work, a quick hone and some rings and gaskets maybe some paint... I bet rings and gaskets are cheap to buy too

This is a hardly used tractor, but when I need it I need it
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Model 100 Dec 2020 - Running condition, has snow plow!
Model 123 Nov 2020 Hydro needs much work, or resto, building front end loader for this one
Model 100 Feb 2019 apart for total frame-off / sandblast etc resto

Model 70 Sep 2020 needs total resto and an engine, or for parts
Model 70/100 Mar 2021 buried in rust, frozen engine, got free for parts.

two spare hydro rears
"in for a penny, in for a pound!"
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  #8  
Old 02-23-2023, 02:23 PM
twoton twoton is offline
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Thing is, if I was that far into it I would just do a complete rebuild. Time is the most valuable thing.
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  #9  
Old 03-13-2023, 12:58 AM
greg r greg r is offline
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Quote:
engine builder friend of mine suggested using about 50% 90 weight gear oil instead of your normal engine oil.
Not a great idea. A better approach that won't cause damage would be a 50 wt engine oil. The 50 wt engine oil has the same viscosity, (thickness) as 90 wt gear oil. Another idea would be Motor Honey or Hyper Lube's oil supplement. Increasing the oil's body will help with oil burning until you get time for the refresh.
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